Adapter



FIG. 1 is a perspective view of the top, front and left side of an adapter showing our new design;

FIG. 2 is a perspective view of the bottom, rear and left side thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The portions shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an adapter, as shown and described. 